National urban water infrastructure owner

Société Nationale des Eaux du Sénégal

SONES and Senegalese ministry representatives in branded safety equipment reviewing work at the Mamelles desalination plant

Société Nationale des Eaux du Sénégal, Mamelles site visit, 12 March 2026

SONES owns Senegal's urban drinking-water infrastructure and plans the investments that feed the public network.

Organization overview

National urban water infrastructure owner

Geographic footprint: Africa and Senegal. Core marine roles: Urban drinking-water asset owner, Desalination and bulk-water programme client, Seawater intake and brine-discharge procurement authority, and Distribution-network renewal programme owner.

Project records 1 Last reviewed 20 July 2026

Type

National urban water infrastructure owner

Active regions

Africa, Senegal

Marine works roles

Urban drinking-water asset owner, Desalination and bulk-water programme client, Seawater intake and brine-discharge procurement authority, Distribution-network renewal programme owner, Government and lender coordination counterparty, Owner testing, handover and operating-release authority

Role in marine infrastructure

SONES owns Senegal's urban drinking-water infrastructure and plans the investments that feed the public network. At Mamelles it is the client for the desalination plant, seawater intake, brine-discharge system and linked Dakar network renewal. The Toyota Tsusho-led consortium designs and builds the package and will operate it for two years; TPF supervises the works.

Sources used 6

Source collections